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O60/1200

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ID = 71749
       
Country:
Hungary
Brand: Tungsram; Budapest (see also British T.)
Developer: Tungsram; Budapest (see also British T.) 
Tube type:  Triode, vacuum   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to O60/1200
Base Philips big W4
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / Direct / Specified voltage AC/DC
Description

Used as final stage for the music contribution by wire (PTT) in the larger cities in The Netherlands.

Vf = 4V, Va = 1200V, Pa = 60W max.

 
Text in other languages (may differ)
Information source -- Collector info (Sammler)   Credit to Hilco Schipper
-- Collector info (Sammler)   Credit to Van Thies Krijger
o60_1200.gif O60/1200: AH eigene Sammlung
Alexander Hofer

Just Qvigstad

Collection of

Alexander Hofer (A)
 
o60_1200_a.jpg

O60/1200
 
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